Question

Find the area of equilateral triangle whose altitude is 16V3 cm.​

Answer 1

Answer:

Step-by-step explanation:

Length of each side = x

By Pythagoras theorem,

Altitude = √(x^2-(x/2)^2)=√3/2×x

So √3/2×x = 16√3

x = 32

Area = 0.5×base×height

= 0.5×32×16√3 = 256√3cm^2